LeMieux Snaffle Face Mask Mocha. The LeMieux Snaffle Face Mask are essential for protection, style and comfort and is easy to machine wash. The PM2.5 active carbon filter provides 4 layers of protection to efficiently block virus particles, bacteria, dust, pollen and other harmful or irritating molecules. This provides high levels of protection, and can also be easily removed and replaced with its adjustable side straps and contouring around the nose and chin allows for the perfect fit. The combed-cotton inner lining is ultra-soft and breathable for complete comfort whilst offering you ultimate protection.